Custer Motorway

Travel through history in the Land of the Yankee Fork, a historic mining region between Challis and Stanley via the Custer Motorway. This historic toll road was once used to carry passengers, equipment, and supplies between the mining boomtowns. This route offers scenic vistas, former stage stops, h...

When to go: Summer and Fall typically offer the best window.

Vehicles: Jeep/Truck, SUV. Standard offroad prep applies: appropriate tires, ground clearance, and a basic recovery kit.

Salmon Region context

The Salmon region is high, dry, and exposed. Mining-basin roads climb above 9,000 feet; valley roads thread the Lemhi and Lost River Ranges. Salmon, Challis, and Mackay are the only meaningful supply towns — and overlanders here most often underestimate distance between fuel.

Best for drivers who understand their vehicle and the cost of a mistake in remote country.